Fujisaki, Ryuichi, Toshimori Yamaoka, & Hajime Nishiya. " Can Gram-Stained Sputum Be an Effective Therapeutic Marker of Effectiveness of Antimicrobial Agents in Bacterial Pneumonia and Bronchitis?." Medical Research Archives [Online], 12.3 (2024): n. pag. Web. 3 Jul. 2024